Home / 213,355.09-294,419.14-117,843.31

Finding the Fourth Proportional to 213,355.09, 294,419.14 and 117,843.31

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Solution

The fourth proportional to 213,355.09, 294,419.14 and 117,843.31 is: 162,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,355.09 : 294,419.14 = 117,843.31 : x
  2. Step 2: Convert to fraction form
    213,355.09/294,419.14 = 117,843.31/x
  3. Step 3: Cross multiply
    213,355.09x = 294,419.14 × 117,843.31
  4. Step 4: Simplify right side
    213,355.09x = 34,695,325,984.95
  5. Step 5: Solve for x
    x = 34,695,325,984.95/213,355.09
  6. Step 6: Final answer
    x = 162,617.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.